AU - Ikhlef, Atmane. AU - Knight, Stephanie ID - 20236 OP - 10 p. T1 - Conditions for student-centered teaching and learning in Qatari elementary math and science classrooms : relationship between classroom processes and achievement of curriculum standards [Article] UL - 1 http://search.shamaa.org/fulltext.gif http://www.qscience.com/doi/pdfplus/10.5339/nmejre.2013.4 Full text (PDF)